Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
PC

Philip Chu — 3 Patents

ADAvery Dennison: 3 patents #282 of 1,021Top 30%
Monrovia, CA: #110 of 335 inventorsTop 35%
California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,546,282 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8551391 Method of making microneedles Eng-Pi Chang, Hsiao-Ken Chuang, Kejian (Kevin) Huang, Michael Lang, Reza Mehrabi +3 more 2013-10-08
7514045 Covered microchamber structures Craig S. Corcoran, Cindy Chiu, William Jaecklein, Dong-Tsai Hseih, Eng-Pi Chang +4 more 2009-04-07
7416692 Process and apparatus for microreplication Rishikash K. Bharadwai, Eng-Pi Chang, Hsiao-Ken Chuang, David N. Edwards, Robert Fermin +4 more 2008-08-26